EP2614327A1 - Verfahren und vorrichtung zur trocknung von pflanzlichem material - Google Patents
Verfahren und vorrichtung zur trocknung von pflanzlichem materialInfo
- Publication number
- EP2614327A1 EP2614327A1 EP11757772.6A EP11757772A EP2614327A1 EP 2614327 A1 EP2614327 A1 EP 2614327A1 EP 11757772 A EP11757772 A EP 11757772A EP 2614327 A1 EP2614327 A1 EP 2614327A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drying
- gas
- dried
- trays
- segments
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
- F26B9/066—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers the products to be dried being disposed on one or more containers, which may have at least partly gas-previous walls, e.g. trays or shelves in a stack
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/02—Dehydrating; Subsequent reconstitution
- A23B7/0205—Dehydrating; Subsequent reconstitution by contact of the material with fluids, e.g. drying gas or extracting liquids
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/02—Dehydrating; Subsequent reconstitution
- A23B7/022—Dehydrating; Subsequent reconstitution with addition of chemicals before or during drying, e.g. semi-moist products
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
- F26B5/044—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum for drying materials in a batch operation in an enclosure having a plurality of shelves which may be heated
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
Definitions
- the invention relates to a process for the drying of vegetable material, such as fruits, spices, plants, herbs and the like, with the features mentioned in the preamble of claim 1 and an associated device with the features mentioned in the preamble of claim 8.
- the drying of food and plant material is usually carried out by freeze-drying.
- a gas-flow reactor is known, in which the material is dried by freeze-drying.
- a disadvantage of the freeze-drying of vegetable material is that a high investment requirement is necessary for drying.
- the systems for freeze drying require a lot of space.
- To dry fruits by freeze drying high residence times of the material in the apparatus are necessary.
- a freeze-drying of fruits can only be carried out for small pieces of fruit.
- a flavor loss of the dried fruit is unavoidable.
- a method for drying a particulate material and a device for carrying out the method are known.
- the drying of goods is preferably carried out in fluidized beds and using sublimation.
- the air for drying is circulated.
- drying of the material under vacuum conditions is described.
- the object of the invention is to provide a method and an associated device for drying of vegetable material, such as fruits, spices, plants, herbs and the like, with the / a gentle and inexpensive drying of the material to be treated at a uniform as possible Drying speed in the entire area of the process space is done.
- the method according to the invention is characterized in that the material to be dried is distributed on a plurality of superimposed gas-permeable trays of the drying apparatus, wherein each part of the fresh and conditioned drying gas is supplied, so that on the individual trays a nearly uniform drying rate of the drying Material is achieved.
- the device according to the invention consists of a plurality of trays lying one above the other in a process chamber of the drying apparatus, which are each subdivided into a plurality of segments and which each have an edge channel for supplying a second part of a drying gas below the segments of the respective individual trays. a central channel and a transverse channel are arranged.
- the advantage of the solution according to the invention is that due to the guidance of the drying gas, the material for drying does not have to be stirred up by the drying gases. This results in a reduction of the mechanical stress on the products to be dried, so that even fibrous or irregularly structured products or even whole fruits are accessible to the drying process.
- the inventive solution is an intensive and gentle drying of the material. Sticking of the fruits together and entanglement of fibrous or irregularly structured products is thereby avoided.
- a further advantage is that the drying speed is evened out on the respective individual trays by at least a partial mixing of the moist exhaust air from the individual drying segments with fresh, dry air. This makes it possible to measure the air flow through the individual trays required for drying only after the required evaporation performance. An amount of air to the Aufwirbel ung the materials to be treated is not required.
- Fig. 1 a drying apparatus according to the invention in section and
- FIG. 1 A first figure.
- FIG. 1 shows an inventive drying apparatus 1 for drying plant material such as, for example, fruits, spices, plants, herbs and the like.
- the drying apparatus 1 preferably has a circular cross-section and consists of an onflow housing 2 with an overlying the process space 3 and an exhaust air housing 4.
- the Anströmgephase 2 is provided with a gas inlet 7 for the drying gas, while at the exhaust housing 4, a gas outlet 6, the moisture laden drying gas 20 is arranged.
- a filter 5 is arranged within the exhaust housing 4.
- a plurality of superposed floors 15, 16, 17 are arranged.
- the floors 15, 16, 17 have the same structural design, with 15 being the lowest floor, with 17 of the top floor and with 16 lying between the floors 15 and 17 floors.
- the number of trays 16 depends on the materials or products to be dried and the amount of drying gas supplied.
- the bottoms 15, 16, 17 are each subdivided into a plurality of segments 12. As can be seen from Figure 2, the bottoms 15, 16, 17 are each divided into four segments 12. Another subdivision of the bottoms 15, 16, 17 into corresponding segments 12 is entirely conceivable.
- the segments 12 of the individual trays 15, 16, 17 are gas permeable with respect to a first part of a drying gas 10 supplied via a gas inlet 7, so that the first part of the drying gas 10 is the lowest bottom 15, the trays 16 arranged above and the uppermost tray 17 flows through successively.
- the segments 12, on which the material to be dried 19 rests distributed consist of grids, grates, perforated plates, baskets or the like.
- the segments 12 of the floors 15, 16 17 are movably suspended in the process space 3 by chains, belts or the like, so that the segments 12 can be moved in the process space 3 with a corresponding drive.
- a gentle change in position of the material to be treated 19 on the segments 12 can be made so that the material 19 can be uniformly dried by the drying gases 10, 11.
- an edge channel 14 For supplying a second part of the drying gases 11 to the individual segments 12 of the trays 16 and the uppermost floor 17, an edge channel 14, a central channel 13 and a plurality of transverse channels 18 are arranged in the process space 3.
- the interconnected channels 13, 14 and 18 are arranged so that in each case the individual trays 16 and the bottom 17 are each a part of the second part of the drying gases 11 is supplied from below.
- One or more spray nozzles 9 of a spraying device 8 for spraying a solvent and / or additional components onto the material 19 to be dried are arranged on the respective segments 12 of the trays 15, 16, 17.
- the solvent used is alcohol, water or a mixture of alcohol and water.
- additional components for example, flavors, dyes, waxes or silicone sprayed on the material 19 for flavoring, coloring, additional preservation or to change the surface structure.
- the solvents are preferably sprayed onto the material 9 during the drying process and the additional components at the end of the drying process.
- the material 19 is introduced onto the segments 12 as a fresh product or as a product already inserted in a solvent.
- the material 19 is inserted before the actual drying process in alcohol, water or a mixture of alcohol and water.
- the solvent such as tempered alcohol, by spraying or sucking the process chamber 3 of the drying apparatus 1 can be supplied.
- a first part of the drying gas 10 is supplied to the bottom bottom 15 distributed over the cross section. Due to the openings in the individual segments 12, the drying gas 10 flows through the individual trays 15, 16, 17 from bottom to top, the drying gas 10 receiving the moisture of the material 19 lying on the trays 15, 16, 17. So that the moisture content of the trays 15, 16, 17 flowing through the drying gas each having an approximately equal value, each bottom of the bottom 15 lying floor 16, 17, a second part of the drying gas 11 is supplied as a dryer partial gas flow.
- the supply of the partial gas streams of the drying gas 11 to the individual trays 16, 17 takes place via the edge channel 14 and the central channel 13 in conjunction with the respective, the trays 16 and 17 associated transverse channels 18.
- the individual trays 16, 17, they are mixed with the drying gas 10, which has flowed through each of the underlying soil. This ensures that an equalization of the drying rate on the respective individual trays 15, 16, 17 by a mixture of the drying gas 10 with the
- Drying gas 11 takes place.
- the division of the size ratios of the drying gases in the drying gas stream 10 and in the drying gas stream 1 is effected by the size and number of existing in the segments 12 openings and through the respective cross section of the central channel 13 and the peripheral channel fourteenth
- the entire moisture-laden drying gas 20 is discharged from the drying apparatus 1 after passing through the filter 5 via the gas outlet 6. After dehydration and drying of the moisture-laden drying gas 20, the gas is supplied to the Anströmgephinuse 2 as drying gas again.
- a drying gas new dehumidified and / or heated conditioned air can also be used each time.
- the material 19 located on the individual plates 5, 16, 17 is sprayed with a solvent or an additional material component.
- the solvent deposited from the drying gas 20 after the drying process can be sprayed again onto the materials 19 to be dried via the spray nozzles 9.
- the drying of the materials 19 in the drying apparatus 1 can be carried out under reduced pressure or vacuum.
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Drying Of Solid Materials (AREA)
- Seasonings (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010045064.2A DE102010045064B4 (de) | 2010-09-10 | 2010-09-10 | Vorrichtung zur Trocknung von pflanzlichem Material |
PCT/EP2011/004462 WO2012031732A1 (de) | 2010-09-10 | 2011-09-05 | Verfahren und vorrichtung zur trocknung von pflanzlichem material |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2614327A1 true EP2614327A1 (de) | 2013-07-17 |
Family
ID=44653251
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11757772.6A Ceased EP2614327A1 (de) | 2010-09-10 | 2011-09-05 | Verfahren und vorrichtung zur trocknung von pflanzlichem material |
Country Status (8)
Country | Link |
---|---|
US (1) | US20130160319A1 (de) |
EP (1) | EP2614327A1 (de) |
CN (1) | CN103124887B (de) |
BR (1) | BR112013005310A2 (de) |
CA (1) | CA2810936A1 (de) |
DE (1) | DE102010045064B4 (de) |
RU (1) | RU2546390C2 (de) |
WO (1) | WO2012031732A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU185021U1 (ru) * | 2018-03-02 | 2018-11-19 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Красноярский государственный аграрный университет" | Мобильное устройство для сушки |
CN111981782A (zh) * | 2020-07-28 | 2020-11-24 | 广州上仕工程管理有限公司 | 一种果脯烘干机 |
US20220087472A1 (en) * | 2020-09-21 | 2022-03-24 | Gildardo Moncada, JR. | Variable Level Steamer Insert |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR345303A (fr) * | 1904-08-02 | 1904-11-28 | Rheinische Webstuhl Et Appretu | Séchoir |
AT25455B (de) | 1905-10-18 | 1906-08-25 | George Moscu | Reinigungsvorrichtung für Rauchzüge u. dgl. |
FR363729A (fr) * | 1906-02-28 | 1906-08-07 | Pellegrino Flii Soc | Four-séchoir continu à tirage naturel pour cocons des vers à soie, céréales et autres matières |
FR537647A (fr) * | 1921-06-29 | 1922-05-27 | Perfectionnements aux appareils domestiques pour déshydrater les aliments | |
DE407067C (de) * | 1921-12-24 | 1924-12-09 | Gabriel Reinaud | Trockenvorrichtung mit dauernd hindurchgeleitetem, erwaermtem Luftstrom |
GB305112A (en) * | 1927-10-28 | 1929-01-28 | Alfred William Cresswell Chapl | Improvements in or relating to the withering of tea leaf or the like |
DE1204058B (de) * | 1962-07-12 | 1965-10-28 | Unilever Nv | Verfahren zur Vorbehandlung von Huelsen- und Koernerfruechten vor dem Trocknungsprozess |
US4110916A (en) * | 1976-08-30 | 1978-09-05 | Bemrose Harold E | Forced air food drier |
US4380127A (en) * | 1978-09-24 | 1983-04-19 | Roberts Elliott D | Dehydrator apparatus with unidirectional air flow control means |
US4190965A (en) * | 1979-01-15 | 1980-03-04 | Alternative Pioneering Systems, Inc. | Food dehydrator |
NL8203963A (nl) * | 1982-10-14 | 1984-05-01 | Naarden International Nv | Werkwijze voor het aromatiseren van droog plantaardig materiaal. |
SU1114865A1 (ru) * | 1982-11-04 | 1984-09-23 | Ордена Октябрьской Революции Карачаровский Механический Завод | Сушилка |
CH664005A5 (de) | 1984-05-19 | 1988-01-29 | Glatt Maschinen & Apparatebau | Verfahren zum trocknen eines teilchenfoermigen gutes und einrichtung zur durchfuehrung des verfahrens. |
CH673374A5 (en) * | 1987-03-02 | 1990-03-15 | Obstverwertungsgenossenschaft | Crunchy dried fruit and vegetable pieces - obtd. by impregnating prepd. fruit or vegetable pieces with discolouration inhibitor and drying in moving hot air |
CH681564A5 (en) | 1990-08-14 | 1993-04-15 | Glatt Maschinen & Apparatebau | Installation for drying particle form material - comprises container with vertical axis and fixed, gastight walling, container having material chamber and filter retainer |
US5311886A (en) * | 1991-12-31 | 1994-05-17 | Imasco Limited | Tobacco extract treatment with insoluble adsorbent |
DE4344468A1 (de) * | 1993-12-22 | 1995-07-06 | Heilscher Karl Prof Dr Sc | Verfahren zur Trockenpulvergewinnung aus frischen pflanzlichen Rohstoffen |
TW301599B (de) * | 1994-10-26 | 1997-04-01 | Kiyokawa Shin | |
US5826498A (en) * | 1997-12-08 | 1998-10-27 | Su; Johnson | Structure of an apparatus for dehydrating fruits, vegetables and foods |
US6041696A (en) * | 1999-04-02 | 2000-03-28 | Su; Yung-Sen | Structure of an apparatus for dehydrating fruits, vegetables and foods |
IT1314512B1 (it) * | 2000-03-24 | 2002-12-18 | Cefla Coop | Forno verticale, di costruzione semplificata e migliorata e conpossibilita' di funzionamento in ciclo abbreviato. |
DE202004000178U1 (de) * | 2004-01-08 | 2004-04-15 | Chan, Da-Ching | Dehydrator |
US20090053385A1 (en) * | 2007-08-24 | 2009-02-26 | Fry Ross G | Pastuerization alternative for blackcurrant pomace, juice and powder |
PL2501241T3 (pl) * | 2009-11-17 | 2014-10-31 | Innodrying Gmbh | Sposób konserwowania środków spożywczych oraz technologia produkcji konserwowanych środków spożywczych |
-
2010
- 2010-09-10 DE DE102010045064.2A patent/DE102010045064B4/de not_active Expired - Fee Related
-
2011
- 2011-09-05 EP EP11757772.6A patent/EP2614327A1/de not_active Ceased
- 2011-09-05 CA CA2810936A patent/CA2810936A1/en not_active Abandoned
- 2011-09-05 US US13/821,660 patent/US20130160319A1/en not_active Abandoned
- 2011-09-05 RU RU2013115925/06A patent/RU2546390C2/ru not_active IP Right Cessation
- 2011-09-05 BR BR112013005310A patent/BR112013005310A2/pt not_active IP Right Cessation
- 2011-09-05 WO PCT/EP2011/004462 patent/WO2012031732A1/de active Application Filing
- 2011-09-05 CN CN201180042754.8A patent/CN103124887B/zh not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2012031732A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE102010045064A1 (de) | 2012-03-15 |
US20130160319A1 (en) | 2013-06-27 |
RU2013115925A (ru) | 2014-10-20 |
RU2546390C2 (ru) | 2015-04-10 |
WO2012031732A1 (de) | 2012-03-15 |
WO2012031732A8 (de) | 2012-05-31 |
CN103124887B (zh) | 2015-09-16 |
CA2810936A1 (en) | 2012-03-15 |
CN103124887A (zh) | 2013-05-29 |
DE102010045064B4 (de) | 2016-05-19 |
BR112013005310A2 (pt) | 2016-08-16 |
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Inventor name: GUTTZEIT, MELANIE Inventor name: KLOEPPEL, TILO Inventor name: JACOB, MICHAEL Inventor name: BOEBER, REINHARD |
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